Question

A finite poset $P$ is inductive iff it has a least element

score 90 · Answer 1 · 2026-04-15 18:45:20

90

Views

A finite poset $P$ is inductive iff it has a least element

Published on 15 Apr 2026 - 18:45

score 355 · Answer 2 · 2026-04-15 20:01:59

355

Views

Inverse image of ideal under a homomorphism of rings is generated by inverse images of generators

Published on 15 Apr 2026 - 20:01

score 145 · Answer 3 · 2026-04-15 00:02:45

145

Views

Number of generators for inverse image of ideal same as number of generators of ideal iff injective

Published on 15 Apr 2026 - 0:02

score 1.3k · Answer 4 · 2026-04-11 03:33:19

1.3k

Views

Using transformation to evaluate double integral

Published on 11 Apr 2026 - 3:33

score 36 · Answer 5 · 2026-04-16 01:44:18

36

Views

$\det S = S\vec{u}\cdot(S\vec{v}\times S\vec{w})/ \vec{u}\cdot(\vec{v}\times \vec{w})$

Published on 16 Apr 2026 - 1:44

score 226 · Answer 6 · 2026-05-14 01:20:50

226

Views

Rational homotopy type of a Lie group

Published on 14 May 2026 - 1:20

score 1.7k · Answer 7 · 2026-04-13 09:42:04

1.7k

Views

Prove a sequence with bounded variation converges.

Published on 13 Apr 2026 - 9:42

score 84 · Answer 8 · 2026-04-09 10:04:00

84

Views

How much money would it cost to "buy out" every possible number in the 6-digit Lottery?

Published on 09 Apr 2026 - 10:04

score 427 · Answer 9 · 2026-04-15 07:51:03

427

Views

Prove that if $f'(x)≠0$ on an interval $( a , b)$ on $A$ for a differentiable function $f$, then $f$ is one-to-one on $A$.

Published on 15 Apr 2026 - 7:51

score 4.3k · Answer 10 · 2026-04-12 13:08:23

4.3k

Views

Does every short exact sequence split?

Published on 12 Apr 2026 - 13:08

score 47 · Answer 11 · 2026-04-30 00:08:22

47

Views

Elementary questions regarding countable sets

Published on 30 Apr 2026 - 0:08

score 304 · Answer 12 · 2026-04-13 01:17:42

304

Views

Well-ordered sets are order-isomorphic to a unique ordinal and proof by induction over the ordinals

Published on 13 Apr 2026 - 1:17

score 107 · Answer 13 · 2026-04-17 13:43:12

107

Views

difficulty with abstract algebra lemma implying FT of finite abelian groups

Published on 17 Apr 2026 - 13:43

score 174 · Answer 14 · 2026-04-10 20:35:17

174

Views

Fundamental theorem of Algebra to prove countable set

Published on 10 Apr 2026 - 20:35

score 31 · Answer 15 · 2026-04-16 08:47:40

31

Views

Proving Elementary question regarding non empty finite sets by contradiction

Published on 16 Apr 2026 - 8:47

List Question

A finite poset $P$ is inductive iff it has a least element

Inverse image of ideal under a homomorphism of rings is generated by inverse images of generators

Number of generators for inverse image of ideal same as number of generators of ideal iff injective

Using transformation to evaluate double integral

$\det S = S\vec{u}\cdot(S\vec{v}\times S\vec{w})/ \vec{u}\cdot(\vec{v}\times \vec{w})$

Rational homotopy type of a Lie group

Prove a sequence with bounded variation converges.

How much money would it cost to "buy out" every possible number in the 6-digit Lottery?

Prove that if $f'(x)≠0$ on an interval $( a , b)$ on $A$ for a differentiable function $f$, then $f$ is one-to-one on $A$.

Does every short exact sequence split?

Elementary questions regarding countable sets

Well-ordered sets are order-isomorphic to a unique ordinal and proof by induction over the ordinals

difficulty with abstract algebra lemma implying FT of finite abelian groups

Fundamental theorem of Algebra to prove countable set

Proving Elementary question regarding non empty finite sets by contradiction

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